RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Site Query Results

Binding Site Data:

Mineral:	Ferrihydrite
Reference:	FS07a
SCM Type:	TL - Triple Layer (C₁: 1.0 F/m²)
Ionic Strength:
Site Type:	»Fe-OH
PZC:
pK1:	3.7	pK1_{2.31 nm⁻²} (normalized):	3.92
pK2:	12.1	pK2_{2.31 nm⁻²} (normalized):	11.88
Site Density in nm^-2:	3.8000
Original Site Density:	3.8 sites / nm² surface
Solid/Liquid Ratio in g/L:
pH Range:
Temperature in K:
Method for Site Density:	Empirical Correlation
Method for Protolysis:
Fit Method:	GEOSURF
Comment:	extended triple layer model; SSD-values for HFO were estimated from regression of arsenite adsorption data [SF06b]; equilibrium constants expressed relative to the hypothetical 1.0 molar standard state

1 data sets were retrieved